| Vendor | Spec | Unit | Price | Currency | Date |
| CNOOC | Polyester Grade | MT | 646.5 | USD | 20250926 |
| Shandong Langchem | China national standards | MT | 505.96 | USD | 20250926 |
| Sinopec | China national standards | MT | 611.37 | USD | 20250926 |
| Beijing Yanshan Petro | China national standards | MT | 632.45 | USD | 20250926 |
| Sinopec | China national standards | MT | 632.45 | USD | 20250926 |
| Shandong Langchem | China national standards | MT | 625.42 | USD | 20250926 |
| CNPC | China national standards | MT | 633.85 | USD | 20250926 |
| Shandong Jinwen Chem | China national standards | MT | 505.96 | USD | 20250926 |
| Jinan Dezheng Chem | China national standards | MT | 541.1 | USD | 20250926 |
| Shandong Hualu | Polyester Resin Grade | MT | 541.1 | USD | 20250926 |